Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Tucson → Las Vegas via Denver: arrives on time 37%

  1. 09:35 TUS → 12:25 DEN
    WN 519 · Southwest · 1h 50m · 88% on time, 0.0% cancelled
  2. 50m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 13:15 DEN → 14:10 LAS
    WN 1562 · Southwest · 1h 55m · 53% on time, 0.0% cancelled

Total trip 4h 35m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.

Makes the connection70%The first flight arrived more than 5 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time37%First flight not cancelled (0.0% are) × connection made (70%) × second flight not cancelled (0.0% are) and within 15 minutes (53%).
Total trip4h 35mTUS 09:35 to LAS 14:10, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.